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If you just want to start serving compiled scss files as quick as possible then start here. The scssphp/server project provides an easy-to-use example that demonstrates how to automatically compile scss files and serve them from a directory that you specify.

Create a file, like style.php:

use ScssPhp\Server\Server;

$directory = "stylesheets";

$server = new Server($directory);
$server->serve();

Create the directory set in the script alongside the script, then add your scss files to it.

By default, scssphp expects a scss_cache directory to exist inside the stylesheets directory where it will cache the compiled output. This way it can quickly serve the files if no modifications have been made. Your PHP script must have permission to write in scss_cache.

Going to the URL example.com/style.php/style.scss will attempt to compile style.scss from the stylesheets directory, and serve it as CSS.

If it can not find the file it will return an HTTP 404 page:

/* INPUT NOT FOUND scss v0.0.1 */

If the file can't be compiled due to an error, then an HTTP 500 page is returned. Similar to the following:

Parse error: failed at 'height: ;' stylesheets/test.scss on line 8

Also, because SCSS server writes headers, make sure no output is written before it runs.

Use the Server constructor to specify the cache directory and even the instance of the Compiler that is used to compile SCSS.

• new Server($sourceDir, $cacheDir, $scss) creates a new server that serves files from $sourceDir. The cache dir is where the cached compiled files are placed. When null, $sourceDir . '/scss_cache' is used. $scss is the instance of scss that is used to compile.

Just call the serve method to let it render its output.

Here's an example of creating a SCSS server that outputs compressed CSS:

use ScssPhp\ScssPhp\Compiler;
use ScssPhp\Server\Server;

$scss = new Compiler();
$scss->setOutputStyle(\ScssPhp\ScssPhp\OutputStyle::COMPRESSED);

$server = new Server('stylesheets', null, $scss);

$server->serve();